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Road511 vs StayingAPI

Same instrument, two spec sheets — measured, not claimed.

APIRoad511DEAD0StayingAPIREACHABLE100
Uptime · 30d
Uptime · 90d0.0%100%
Uptime · 30d0.0%100%
P50 · ms—143
P95 · ms—913
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree tier — API key required
Rate limit70 req/window · 69 remaining · resets 1783522019
In directory since2026-07-052026-09-21
operationalpartialdownno data

Road511 vs StayingAPI: common questions

Which is more reliable, Road511 or StayingAPI?

On our scheduled checks, StayingAPI leads on measured uptime — Road511 at 0.0% versus StayingAPI at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Road511 and StayingAPI need an API key?

Both ask you to authenticate — Road511 uses an API key and StayingAPI uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Road511 and StayingAPI from the browser?

Only Road511 is browser-friendly — it returns CORS headers over HTTPS. StayingAPI needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Road511 and StayingAPI free for commercial use?

Road511 has unclear commercial terms, and StayingAPI has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.